feat: AI-generated PR descriptions (OpenAI/Anthropic/Ollama)

[erishforG]

Vision (v1.0: AI agent Git interface)

Auto-generate PR descriptions by analyzing the diff on ship.

Proposal

parsec ship TICKET --ai-description              # AI generates PR body from diff
parsec ship TICKET --ai-description --provider ollama  # use local LLM

Supported providers

• OpenAI (gpt-4o)
• Anthropic (Claude)
• Ollama (local)
• LM Studio (local)

Config

[ai]
provider = \"anthropic\"
model = \"claude-sonnet-4-20250514\"
auto_description = true    # always generate on ship

Reference

GitButler: OpenAI, Anthropic, Ollama, LM Studio support

Milestone

v1.0